Browse Publications Technical Papers 2002-01-1703

Engine Control System Architecture for Bi-Fuel Vehicles 2002-01-1703

This paper describes a new architecture for a bi-fuel vehicle engine control system, which can reduce system cost while improving function. The proposed architecture uses a modified (dual parameter) PCM strategy to control operation on both fuels, with a simpler additional module to drive fuel injectors and interface to other alternative fuel components. It is shown that this architecture results in improved fuel control and lower tailpipe emissions compared to typical aftermarket systems. Impact on the development process and base vehicle wiring are minimized.


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